Re: raid support in install cds

[Robert Varga]

On 29 Sep 2000, Adam Di Carlo wrote:

 
 We do support some hardware raid devices.
 
 For the software raid root support you mention, that reuqires some pretty
 serious changes and cannot happen in potato updates.  This is an issue
 for the woody installer.
 
 -- 
 .Adam Di [EMAIL PROTECTED]URL:http://www.onShore.com/
 

Is it possible to carry out the changes I mentioned manually, without
needing to change the installer source, namely:

- is there an easy way to create an installer cd with a kernel
containing the 0.90 raid patches and the necessary files from raidtools2
included?

- is there a way to replace the kernel which is going to be installed by
the installer (to one containing raid0.90 patches and raid1 compiled into 
the kernel)?

- is there a way to manually carry out everything the installer does when
I mount a filesystem in the menu?

If this is possible then could you please tell me how to do it, or give
me an url at which I can find information regarding how to do it?

All it is needed to install debian directly onto root-raid with manual
help is this, since creating the raid arrays can be carried out manually,
and fstab and lilo.conf can be modified manually as well.

Regards,

Robert Varga


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raid support in install cds

[Robert Varga]

I think a valuable addition to the debian install system would be a way to
be able to create raid arrays of partitions during the install, and use
them to install the debian system into. Also raid1 would be very useful to
be compiled into the kernel to be able to boot from a raid1 root
filesystem. Of course it also should be using the raid0.90 patches from
Molnar Ingo. Redhat 6.1 (or 6.2?, I don't know exactly, only it was done
in front of my eyes) contains the ability to install into raid1 root.

What it needs as far as I see is the following:

- 0.90 raid patches in the kernel
- the raidtools2 package in the installed system if raid partitions are
  selected 
- ability to setup and start raid system during install 
(raid modules to be loadable, maybe done already) 
- ability to create filesystems on /dev/md? devices (at least manually)
(requires the the appriopriate files from raidtools2 package in
 the installing system)
- ability to mount filesystems from /dev/md? devices
(at least manually, but preferable in the menus, not a big thing
 after all)
- raid1 compiled into the installed kernel not as module 
(to be able to boot from raid1 root)

- a lilo supporting boot from raid1-root in the install system 
(I think the current one is appropriate)

It is worth for at least another flavor of install CD, I think, and it
would save a lot of bother if considering the amount of work needed to
convert an existing system totally to raid with raid1 root. :) 

Regards,

Robert Varga


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